Being Immune to Negative Energy effects, AND Negative levels Alan merely shrugs off the energies, the darkness rebounding off of his powerful form, as he leaps 15ft forward and another dimension door puts him right in front of you blade continually striking out as he bellows in rage, the blades slightest impact sending huge amounts of shock through the lich's form as the thunderous manifestation of force strikes deep.

(Leap attack, Power attack 5 two handed to make it +20 on damage, Arcane striking (burning 2 6th level slots for 12d4 additional damage), wraith striking, and my ring of pounce (Ex ability, and going off what the cost for a ring of lions charge would be.) to full attack with all of this.

(1d20+29)[37]
(1d20+24)[31]
(1d20+19)[39]
(1d20+14)[31]

All are touch attacks, so no NA, force armor's, sheild bonuses, or alot of things.

Damage
(3d6+30)[38]
(3d6+30)[35]
(3d6+30)[37]
(3d6+30)[35]

Arcane strike
(12d4)[24]
(12d4)[39]
(12d4)[25]
(12d4)[27]